TW201335510A - Cable or the like protection and guide device - Google Patents

Abstract

A cable protection and guide device is capable of preventing noise and abrasion powder generated by a flexion outer circumferential connecting arm and avoiding disconnection of the arm. The device includes: a number of link frame bodies each having link side plates each having a front side plate portion connected longitudinally to a preceding link side plate to form a cable flexion inner circumferential side; a rear side plate portion connected longitudinally to a succeeding link side plate to form a cable flexion outer circumferential side; and, a flexible linkage portion interposed between the front and rear side plate portions. The link frame body also includes a flexion outer circumferential-side connecting arm whose flexion outer circumferential-side surface is provided so as to be closer to the cable flexion inner circumferential side than a flexion outer circumferential edge of the rear side plate portion.

Description

Cable protection guiding device

The present invention relates to a cable that can safely and reliably protect and guide a moving portion and a stationary portion that are connected to an industrial machine or a vehicle, and that performs electric signal transmission or power supply, or a hose that supplies oil pressure or air pressure, or the like. Cable type protection guide for flexible cables.

A conventional cable-type protection and guiding device is a pair of link plates that are provided to be separated from the left and right, a curved outer peripheral side connecting arm that is stretched on the outer peripheral side of the cable bending of the pair of link plates, and a pair of link plates that are mounted on a pair of link plates. The chain frame body formed by the curved inner peripheral side connecting arm on the inner side of the cable bending is connected one by one in the longitudinal direction of the cable, and is housed in the chain frame from one of the cable fixing end and the cable moving end toward the other side. The cable is guided to exhibit a straight state in contact with the support surface of the support and a curved state away from the support surface (for example, Patent Documents 1 and 2).

As such a conventional cable type protection guiding device, for example, the cable type protection guiding device 500 shown in Fig. 11 is provided. Here, FIG. 11 is a cross-sectional view seen from the inside of the chain frame body of the cable-type protection guiding device 500 of the prior art. The conventional cable-type protection and guiding device 500 has a pair of link plates 510 and 510 (only one of which is shown) that are separated from each other on the left and right, and a bending that is attached to the outer peripheral side of the cable bending of the pair of link plates 510 and 510. The outer peripheral side connecting arm 520 and the curved inner peripheral side connecting arm 530 that is mounted on the inner peripheral side of the cable bending of the pair of link plates 510 and 510 are attached.

Further, a link plate 510 is connected to the preceding link plate 510 in the longitudinal direction of the cable and forms a front side plate portion 511 on the inner peripheral side of the cable, and is connected to the subsequent link plate 510 to form a cable curved outer peripheral side. The rear side plate portion 512 and the connecting portion 513 that is bendably connectable between the front side plate portion 511 and the rear side plate portion 512 are integrally formed. Further, it is configured to present a straight state in contact with the support surface 541 of the support 540 and a curved state away from the support surface 541.

Patent Document 1: Japanese Laid-Open Patent Publication No. 2007-92939

Patent Document 2: Japanese Laid-Open Patent Publication No. 2007-247716

However, in the above-described cable-type protection and guiding device 500, since the curved outer circumferential side surface 521 of the curved outer circumferential side connecting arm 520 is located on the same surface as the curved outer circumferential edge 512a of the link plate 510, it is changed from the curved state to the curved state. In the case of the straight state, there is a problem that the curved outer peripheral side connecting arm 520 comes into contact with the support surface 541 of the support 540 to generate noise, or the curved outer peripheral side connecting arm 520 wears out, or the curved outer peripheral side connecting arm 520 and the support 540 are supported. The problem that the surface 541 collides and falls off.

Accordingly, the present invention is to solve the problems of the prior art as described above, that is, the object of the present invention is to provide a noise or a powder that can be prevented from being caused by a curved outer peripheral side connecting arm when changing from a bent state to a straight state. A cable-type protection guiding device that generates and prevents the bending of the outer peripheral side connecting arm from coming off.

According to the invention of claim 1, the above problem is solved by connecting a plurality of chain frames one by one in the longitudinal direction of the cable, and the chain frame system is provided by a pair of link plates separated from each other on the left and right sides. The cable of the pair of chain plates is bent on the outer peripheral side of the curved outer peripheral side connecting arm, and the frame The curved inner peripheral side connecting arm is provided on the inner peripheral side of the cable bending of the pair of link plates; and the chain frame body is housed and guided from one of the cable fixing end and the cable moving end toward the other side. a cable type, which exhibits a linear state in contact with the support surface of the support body and a curved state away from the support surface; wherein each of the pair of link plates is connected by a chain plate in the longitudinal direction of the cable Connecting and forming a front side plate portion on the inner circumferential side of the cable, a rear side plate portion connected to the subsequent chain plate and forming a curved outer peripheral side, and a bendable portion between the front side plate portion and the rear side plate portion The connecting portion is integrally formed; the curved outer peripheral side connecting arm is detachably mounted on the link plate, and the curved outer peripheral side of the curved outer peripheral side connecting arm is closer to the cable than the curved outer peripheral edge of the rear side plate portion The line is curved on the inner circumference side.

According to the invention of claim 2, in addition to the configuration of the cable-type protection and guidance device described in claim 1, the curved outer peripheral side connecting arms are respectively disposed in the invention. The curved inner circumferential side surfaces of the curved outer circumferential side connecting arms are located on the same surface in the straight state in the central position between the connecting portions adjacent to each other in the longitudinal direction of the cable.

According to the invention of claim 3, in addition to the configuration of the cable-type protection and guidance device according to claim 1 or 2, the bending inner circumferential side connecting arm is separately The curved outer circumferential side surfaces of the curved inner circumferential side connecting arms are respectively located on the same surface in the linear state in the central position between the connecting portions adjacent to each other in the longitudinal direction of the cable.

The invention of claim 4 or 5 further solves the above problems by the following, in addition to the configuration of the cable protection and guiding device according to any one of claims 1 to 3, the chain plate , in the cable length direction, with the cable moving end side as the front, with the cable The fixed end sides are respectively arranged rearward, and the rear side plate portion of the one chain plate is bent at the rear, and the outer peripheral end surface is curved in a circular arc shape at a position corresponding to the position of the connecting portion of the following chain plate. The outer circumference, and the arc center of the outer peripheral end surface of the rear side of the one chain plate is disposed closer to the front side in the cable length direction than the center of the cable length direction of the connection portion of the subsequent link plate.

According to the invention of the present invention, the invention of the present invention provides a further aspect of the present invention, in addition to the configuration of the cable protection and guiding device according to any one of claims 1 to 5, the chain plate a link side hinge portion having a link side peripheral surface surrounding a rotation axis extending in a longitudinal direction of the cable in a circumferential direction; and an arm side hinge portion of the curved outer circumference side connecting arm having a circumferential direction The rotation axis, and an arm-side circumferential surface opposite to the side surface of the link plate in the radial direction centering on the rotation axis in the range of the rotation of the curved outer circumferential side connecting arm; The hinge structure of the side hinge portion and the arm-side hinge portion has a fall prevention portion for preventing the arm-side hinge portion from being detached from the link-side hinge portion by the external force acting on the curved outer peripheral side connecting arm by the cable. The detachment preventing portion is composed of a link side detachment prevention engagement portion provided on the peripheral side of the link plate side, and an arm side detachment prevention engagement portion provided on the arm side circumferential surface, and is configured The curved outer peripheral side connecting arm is connected to the pair of chain plates In the connected state, the arm-side detachment prevention engagement portion engages with the link side detachment prevention engagement portion, whereby the arm detachment phenomenon can be prevented.

According to the invention of claim 1, each of the pair of link plates is connected to the preceding link plate in the longitudinal direction of the cable to form a front side plate portion on the inner peripheral side of the cable, and is connected to the subsequent link plate. A rear side plate portion forming a curved outer peripheral side of the cable, and a bendable portion provided between the front side plate portion and the rear side plate portion are integrally formed; and the curved outer peripheral side connecting arm is detachably attached to the link plate. And bending the curved outer peripheral side of the outer peripheral side connecting arm, and is disposed on the rear side plate The curved outer periphery of the portion is closer to the inner peripheral side of the cable bend. Thereby, when at least a part of the cable-type protection and guiding device is changed from the curved state to the straight state, a gap is formed between the moving curved outer peripheral side connecting arm and the supporting surface of the support, and the curved outer peripheral side connecting arm is not supported. The surface contact makes it possible to prevent noise caused by bending the connecting arm on the outer circumference side.

Further, since the curved outer peripheral side connecting arm does not come into contact with the supporting surface of the support when the state of the cable-type protection guiding device is changed, it is possible to prevent the bending of the outer peripheral side connecting arm from being worn, and to prevent the bending of the outer peripheral side connecting arm from being bent. Powder is produced. Further, when at least a part of the cable-type protection guiding device changes from the curved state to the straight state, the curved outer peripheral side connecting arm does not collide with the supporting surface of the support, thereby mitigating the impact load and alleviating the resonance phenomenon or transmitting to the cable The type protects the impact force of the guiding device, and prevents the connecting arm of the curved outer peripheral side from coming off.

In the cable-type protection and guiding device of the invention of claim 2, in addition to the effect of the cable-type protection and guiding device of claim 1, the curved outer peripheral side connecting arms are respectively disposed adjacent to each other in the cable length direction. The central position between the connecting portions and the curved inner peripheral side surface of the outer peripheral side connecting arm are respectively located on the same surface in the straight state, whereby the curved inner peripheral side of each curved outer peripheral side connecting arm is oriented when the bending state is obtained In the bending center, the cables housed in the chain frame are uniformly placed on the curved inner peripheral side surface of the curved outer peripheral side connecting arm. Therefore, it is possible to prevent partial wear and the like and improve the protection against the cable.

In the cable-type protection and guiding device of the invention of claim 3, in addition to the effect of the cable-type protection and guiding device of claim 1 or 2, the curved inner circumferential side connecting arms are respectively disposed in the cable length direction. The central position between the adjacent connecting portions, and the curved outer peripheral side of the curved inner peripheral side connecting arm are respectively located on the same surface in the straight state, thereby becoming curved In the state in which the height difference is not generated between the adjacent curved inner peripheral side connecting arms, the cables housed in the chain frame are uniformly placed on the curved outer peripheral side surface of the curved inner peripheral side connecting arm, thereby preventing partial wear. Etc., improve the protection of the cable class.

In the cable-type protection and guiding device of the invention of claim 4 or 5, in addition to the effect of the cable-type protection guiding device of any one of claims 1 to 3, the chain plate is cabled in the cable length direction. The moving end side is the front side, and the cable fixing end side is rearwardly arranged, and the rear side plate portion of the one chain plate is bent at the rear side of the outer peripheral end surface, and is disposed in an arc shape at a position of a connection portion with the subsequent link plate. The corresponding cable bends the outer circumference, and the arc center of the outer peripheral end surface of the rear side of the one chain plate is disposed at the center of the cable length direction of the connecting portion of the subsequent chain plate closer to the front side of the cable length direction, thereby When the connecting portion is bent from a state where it has not been bent and the center of the connecting portion is the center of rotation, and the rear peripheral curved end portion of the rear side plate portion of one of the link plates is moved, once a link plate is slightly bent, a chain plate The circular arc-shaped rear curved outer peripheral end surface has a circular arc center that moves away from the inner side of the curved inner peripheral side, that is, the side of the support body, and a gap is formed between the outer peripheral end surface of the rear side plate portion of the rear side plate portion and the support surface of the support body. , Therefore, it is possible to prevent the rear curved outer peripheral end surface of the rear side plate portion of the one chain plate from sliding with respect to the support surface of the support to generate abrasion powder.

Similarly, the connection portion of the subsequent link plate is restored from the bent state and the approximate center of the connection portion of the subsequent link plate is the center of rotation, and the rear side plate portion of the one link plate abuts between the support faces of the support body. a gap is formed between the outer peripheral end surface of the rear side plate portion of the one side plate and the support surface of the support body, so that the rear curved outer peripheral end surface of the rear side plate portion of the one chain plate can be prevented from sliding relative to the support surface of the support body, and Prevents the generation of abrasion powder. Further, since the outer peripheral end surface of the rear side plate portion is not slid with respect to the support surface of the support body, it is possible to prevent the rear side plate portion from bending the noise caused by the sliding of the outer peripheral end surface and the support surface of the support body.

The cable-type protection guiding device of the invention of claims 6 to 9 has the effect of the cable-type protection guiding device of any one of claims 1 to 5, and the chain-plate side hinge portion of the link plate has a circumferential side of the chain plate surrounding the rotation axis extending in the longitudinal direction of the cable; and an arm-side hinge portion of the curved outer circumferential side connecting arm, having a rotation axis in the circumferential direction and connecting the arms on the curved outer circumferential side In the range of the rotation, the radial direction around the rotation axis is opposite to the arm-side circumferential surface of the link side, and the hinge structure composed of the link side hinge portion and the arm-side hinge portion has a cable prevention The external force acting on the curved outer peripheral side connecting arm causes the arm side hinge portion to be detached from the link side hinge portion, and the fall prevention portion is prevented from coming off by the link side provided on the peripheral side of the link plate side. When the arm-side fall prevention engagement portion is provided on the arm-side peripheral surface, and the arm-side fall prevention engagement portion is connected to the curved outer peripheral side connecting arm, the arm-side fall prevention engagement portion is used. Engagement with the engagement portion of the chain plate side fall prevention In order to prevent the arm from falling off, the falling prevention portion is physically engaged, and the curved outer peripheral side connecting arm is not in contact with the support surface of the support. Therefore, when switching between the straight state and the curved state, It is surely prevented that the curved outer peripheral side connecting arm is easily detached.

100‧‧‧Cable protection guide

110‧‧‧1st link plate

111‧‧‧ front side panel

112‧‧‧ rear side panel

112c‧‧‧Bending outer circumference

113‧‧‧Connecting Department

117‧‧‧ Hinge shaft (chain side hinge part)

118‧‧‧Care Department

120‧‧‧2nd link plate

121‧‧‧Front side panel

122‧‧‧ rear side panel

122a‧‧‧ rear curved outer end face

122b‧‧‧ front curved outer end face

122c‧‧‧Bending outer circumference

123‧‧‧Connecting Department

124a‧‧‧1st fitting projection (N1)

124b‧‧‧1st fitting recess (N1)

124c‧‧‧2nd fitting projection (N2)

124d‧‧‧2nd fitting recess (N2)

124e‧‧‧3rd fitting projection (N3)

124f‧‧‧3rd fitting recess (N3)

125a‧‧‧1st linear state holding surface (N4)

125b‧‧‧2nd linear state holding surface (N4)

125c‧‧‧3rd linear state holding surface (N4)

125d‧‧‧4th linear state holding surface (N4)

125e‧‧‧5th linear state holding surface (N4)

125f‧‧‧6th linear state holding surface (N4)

126a‧‧‧1st bending state limit surface (N5)

126b‧‧‧2nd bending state limit surface (N5)

126c‧‧‧3rd bending state limit surface (N5)

126d‧‧‧4th bending state limit surface (N5)

126e‧‧‧5th bending state limit surface (N5)

126f‧‧‧6th bending state limit surface (N5)

127‧‧‧Hinged shaft (chain side hinge)

127a‧‧‧After the side of the chain plate

127b‧‧‧Chain-side engagement element (the engagement part for the side of the chain plate side)

128‧‧‧Care Department

130‧‧‧Bending the outer peripheral side connecting arm

131‧‧‧Hook (arm side hinge)

131a‧‧‧ Arm side circumference

131b‧‧‧ Arm side engagement element (arm side separation prevention engagement part)

132‧‧‧ (bending the outer peripheral side of the connecting arm) curved outer peripheral side

133‧‧‧ (bending the outer peripheral side of the connecting arm) curved inner peripheral side

140‧‧‧Bending inner peripheral side connecting arm

141‧‧‧arm engagement

142‧‧‧ (curved outer peripheral side of the connecting arm on the inner circumference side)

150‧‧‧Support

151‧‧‧Support surface

500‧‧‧Cable protection guide

510‧‧‧Link plate

511‧‧‧ front side panel

512‧‧‧ rear side panel

512a‧‧‧Bending outer circumference

513‧‧‧Connecting Department

520‧‧‧Bending the outer peripheral side connecting arm

521‧‧‧ (bending the outer peripheral side of the connecting arm) curved outer peripheral side

522‧‧‧ (bending the outer peripheral side of the connecting arm) curved inner peripheral side

530‧‧‧Bending inner circumference side connecting arm

531‧‧‧ (curved outer peripheral side of the connecting arm on the inner circumference side)

540‧‧‧Support

541‧‧‧Support surface

A11‧‧‧Drop prevention department

C‧‧‧Cables

E1‧‧‧ cable mobile terminal

E2‧‧‧ cable fixed end

M1‧‧‧ (the cable length direction of the connecting portion following the first embodiment) center

M2‧‧‧ (the cable length direction of the connection portion of the first embodiment) center

O1‧‧‧ (the first embodiment of the curved outer peripheral end face)

O2‧‧‧ (the first arc of the outer peripheral end of the first embodiment)

R‧‧‧bend radius

S1‧‧‧ gap

S2‧‧‧ gap

Fig. 1 is a schematic front view showing a cable protection and guiding device according to an embodiment of the present invention.

Fig. 2 is a perspective view of a cable protection and guiding device according to an embodiment of the present invention.

Fig. 3 is a perspective view of the second link plate viewed from the outside according to an embodiment of the present invention.

Fig. 4 is a perspective view of the second link plate viewed from the inside according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of the cable-type protection and guiding device according to the embodiment of the present invention as seen from the inside toward the second link plate side.

6 is a view from the cable length direction of the cable-type protection guiding device according to an embodiment of the present invention; Look at the section view.

Fig. 7 is a view showing a straight state of a cable-type protection and guiding device according to an embodiment of the present invention.

Fig. 8 is a view showing the start bending of the cable-type protection and guiding device according to the embodiment of the present invention.

Fig. 9 is a view showing a bent state of the cable-type protection and guiding device according to the embodiment of the present invention.

Fig. 10 is a cross-sectional view showing a state in which a curved state and a curved state of a comparative example are compared in an embodiment of the present invention.

Figure 11 is a cross-sectional view showing a cable-type protection guiding device of the prior art.

In the cable-type protection and guiding device of the present invention, as described below, the specific embodiment may be any one of the following: a plurality of chain frames are connected one by one in the cable length direction, and the chain frame system is a pair of link plates that are separated from each other, a curved outer peripheral side connecting arm that is stretched on the outer peripheral side of the cable bending of the pair of link plates, and a curved inner peripheral side connecting arm that is stretched on the inner peripheral side of the cable bending of the pair of link plates In the chain frame, the cable is housed and guided from one of the cable fixing end and the cable moving end toward the other, and presents a linear state in contact with the support surface of the support and a curved state away from the support surface; Each of the link plates of the link plate is connected to the preceding link plate in the longitudinal direction of the cable and forms a front side plate portion on the inner peripheral side of the cable, and is connected to the subsequent link plate to form a rear side plate on the outer peripheral side of the cable. And a connecting portion that is bendable between the front side plate portion and the rear side plate portion is integrally formed; the curved outer peripheral side connecting arm is detachably attached to the link plate, and the curved outer peripheral side of the outer peripheral side connecting arm is bent and disposed in Bending the outer peripheral edge of the rear side plate portion on the inner circumferential side wire bending. Thereby, the noise from the curved state to the straight state can be reduced, The bending of the outer peripheral side connecting arm is prevented from being worn, and the bending outer peripheral side connecting arm is prevented from coming off.

For example, the specific material of the link plate used for the cable-type protection and guiding device of the present invention may be a synthetic resin such as an engineering resin or a metal such as aluminum; and the specific shape of the link plate may be a chain frame. a part of the body and connected one by one in the length direction of the cable, so that the cable inserted into the chain frame can be moved between the fixed end of the cable and the moving end of the cable and relatively moved in the longitudinal direction of the cable. Any shape. Further, the cable may be any flexible linear body. For example, in the machine, a cable including a power supply or a signal transmission, and a hose for guiding a fluid substance are guided.

Hereinafter, a cable-type protection and guiding device 100 according to an embodiment of the present invention will be described with reference to Figs. 1 is a schematic front view of a cable protection and guiding device 100 according to an embodiment of the present invention, and FIG. 2 is a perspective view of a cable protection and guiding device 100 according to an embodiment of the present invention, and FIG. 3 is a perspective view of the present invention. FIG. 4 is a perspective view of the second link plate 120 viewed from the inside, and FIG. 5 is a cable view of an embodiment of the present invention. FIG. FIG. 6 is a cross-sectional view of the cable-type protection guiding device 100 according to an embodiment of the present invention as viewed from the cable length direction, and FIG. 7 is a cross-sectional view of the protective guiding device 100 as viewed from the inside toward the second link plate 120 side. A diagram showing a linear state of the cable-type protection and guiding device 100 according to an embodiment of the present invention, and FIG. 8 is a view showing a start bending of the cable-type protection and guiding device 100 according to an embodiment of the present invention, and FIG. A diagram showing a curved state of the cable-type protection and guiding device 100 according to an embodiment of the present invention, and FIG. 10 is a cross-sectional view showing a bending state of a preferred embodiment of the present invention and a bending state of a comparative example. 10(A) shows a cable-type protection and guiding device 100 according to an embodiment of the present invention, and FIG. 10(B) shows a conventional cable-type protection and guiding device 500 of a comparative example.

As shown in FIGS. 1 to 10, a cable-type protection and guiding device 100 according to an embodiment of the present invention is provided in a machine (not shown) including a cable C for protecting and guiding the cable C. . The machine is, for example, a semiconductor manufacturing device, a drug testing device, a vehicle door opening and closing device, a working machine, or the like.

The cable-type protection and guiding device 100 is configured such that a plurality of chain frames are connected one by one in the longitudinal direction of the cable, and the chain frame system is a pair of link plates that are separated from each other, that is, the first link plate 110 and the first The second link plate 120 and the curved outer peripheral side connecting arm 130 that is stretched on the outer peripheral side of the cable bending of the first link plate 110 and the second link plate 120, and the cable that is stretched over the first link plate 110 and the second link plate 120 The curved inner peripheral side connecting arm 140 is formed on the inner peripheral side of the curved body. The cable body C is housed and guided from the cable fixing end E2 toward the cable moving end E1 in the chain frame body, and is in contact with the supporting surface 151 of the support body 150. The straight state and the bent state away from the support surface 151.

Specifically, as shown in FIG. 1, the cable fixing end E2 of the cable type protection guiding device 100 is connected to the stationary portion of the machine through the mounting portion 103, and the cable moving end E1 of the cable type protection guiding device 100 is transmitted. The mounting portion 103 is connected to the movable portion of the machine, and the cable-type protection and guiding device 100 is linear or curved in whole or in part in accordance with the movement of the cable C between the movable portion and the stationary portion. The state is flexible.

The cable-type protection and guiding device 100 includes a chain link group 101 including a plurality of chain rows 102 that are connected in a longitudinal direction and that are bendably connected, a plurality of curved outer peripheral side connecting arms 130, 130, and a plurality of The inner peripheral side connecting arms 140, 140, ... are bent. Each of the link rows 102 is composed of a pair of first and second link plates 110 and 120 which are disposed apart from each other in the width direction.

The outer peripheral side connecting arm 130 is bent, and the pair of first link plates 110 and the second link plates 120 are connected to the outer peripheral side of the cable bending, and the mounting structure A is transmitted through the pair of first link plates 110. The second link plate 120 is attached and detached. Here, the attachment structure A is composed of the hinge shafts 117 and 127 formed on the pair of first link plates 110 and the second link plates 120, and the hook portions 131 and 131 formed at both ends of the curved outer circumferential side connection arm 130.

Further, the curved inner peripheral side connecting arm 140 connects the pair of first link plates 110 and the second link plates 120 on the inner circumferential side of the cable bending, and passes through the attachment structure B, and is movable with respect to the pair of first link plates 110 and The second link plate 120 is attached and detached. Here, the attachment structure B is composed of the engagement portions 118 and 128 formed in the pair of first link plates 110 and the second link plates 120, and the arm engagement portions 141 and 141 formed on the curved inner peripheral side connection arm 140. .

Next, the pair of first link plates 110 and second link plates 120 will be described. In the first embodiment, each of the pair of first and second link plates 110 and 120 has a second link plate 120 (first link plate 110) and a second link plate 120' that is advanced in the cable length direction. (the first link plate 110') is connected to and forms a front side plate portion 121 (111) on the inner peripheral side of the cable bending, and is connected to the following second link plate 120" (first link plate 110") to form a cable bend. The rear side plate portion 122 (112) on the outer peripheral side and the connectable portion 123 (113) which is bendable between the front side plate portion 121 (111) and the rear side plate portion 122 (112) are integrally formed.

Here, since the pair of first link plates 110 and the second link plates 120 are bilaterally symmetrical with respect to the axis in the longitudinal direction of the cable, the second link plate 120 will be described with reference to FIGS. 3 and 4, and will be omitted. A detailed description of the first link plate 110 will be given. Further, in order to facilitate understanding, in the present specification, the second link plate that is advanced with respect to the second link plate 120, that is, the symbol of the second link plate that is connected to the second link plate 120 on the front side in the longitudinal direction of the cable. Marked as 120', the second link plate that follows the second link plate 120, that is, the second link plate that is connected to the second link plate 120 on the rear side in the longitudinal direction of the cable, is labeled as 120". To explain. Further, regarding the symbol "'" And the marking method of """ is the same marking method for a part of the preceding second chain plate 120' and a part of the following second chain plate 120"; for the position or shape, by a second In the case where the illustration of the portion of the link plate 120 is understandable, a specific illustration of a part of the preceding second link plate 120' and a part of the subsequent second link plate 120" is omitted.

Specifically, the first link structure 120 is provided with a first connection structure N1 to a third connection structure N3 that are connected to the second link plate 120' adjacent to the cable length direction. The first connection structure N1 is composed of a first fitting convex portion 124a provided in the front side plate portion 121 and a first fitting concave portion 124b provided in the rear side plate portion 122, and a front side plate portion 121 of the second link plate 120. The first fitting convex portion 124a is fitted to the first fitting concave portion 124b' of the rear side plate portion 122' of the preceding second link plate 120'.

Similarly, the second connection structure N2 is composed of the second fitting recess 124d provided in the front side plate portion 121 and the second fitting convex portion 124c provided in the rear side plate portion 122, and the front side plate of the second link plate 120. The second fitting recess 124d of the portion 121 is fitted to the second fitting convex portion 124c' of the rear side plate portion 122' of the preceding second link plate 120'.

Further, the third connection structure N3 includes a third fitting recess 124f provided in the front side plate portion 121 and having a shape capable of hooking the claw, and a third fitting convex portion 124e provided in the claw shape of the rear side plate portion 122. The third fitting recess 124f of the front side plate portion 121 of the second link plate 120 and the third fitting convex portion 124e' of the rear side plate portion 122' of the preceding second link plate 120' are embedded in the third The claws of the convex portion 124e' are fitted in such a manner as to be hooked. In this manner, the plurality of second link plates 120, 120, ... are continuously connected in the longitudinal direction of the cable.

Further, the second link plate 120 is provided with a linear state holding structure N4 for holding the cable-type protection and guiding device 100 in a straight state, and a cable-type protection guiding device. The bending state of 100 restricts the bending state restricting configuration N5 within the maximum bending state. Here, the maximum bending state refers to a state in which the cable-type protection and guiding device 100 is bent with the bending radius R shown in FIGS. 7 to 9 as a reference with respect to the connecting portion 123.

The linear state holding structure N4 is composed of a first linear state holding surface 125a to a sixth linear state holding surface 125f, wherein the first linear state holding surface 125a, the second linear state holding surface 125b, the third linear state holding surface 125c, and The fourth linear state holding surface 125d is disposed on the rear side plate portion 122, and the fifth linear state holding surface 125e and the sixth linear state holding surface 125f are disposed on the front side plate portion 121.

Further, in the straight state, the sixth linear state holding surface 125f of the front side plate portion 121 of the second link plate 120 and the fifth straight state holding surface 125e' of the front side plate portion 121' of the preceding second link plate 120' In the surface contact, the second linear state holding surface 125b of the rear side plate portion 122 of the second link plate 120 is in surface contact with the first linear state holding surface 125a' of the rear side plate portion 122' of the preceding second link plate 120'. The fourth linear state holding surface 125d of the rear side plate portion 122 of the second link plate 120 is in surface contact with the third linear state holding surface 125c' of the rear side plate portion 122' of the preceding second link plate 120'. Thereby, the linear state of the cable-type protection guiding device 100 can be maintained.

In addition, the bending state restricting structure N5 is composed of the first bending state regulating surface 126a to the sixth bending state regulating surface 126f, wherein the first bending state regulating surface 126a, the second bending state regulating surface 126b, and the third bending state regulating surface 126c The fourth bending state regulating surface 126d is disposed on the front side plate portion 121, and the fifth bending state regulating surface 126e and the sixth bending state regulating surface 126f are disposed on the rear side plate portion 122.

Moreover, in the maximum bending state, the front side plate portion 121 of the second link plate 120 The second bending state regulating surface 126b is in surface contact with the first bending state regulating surface 126a' of the front side plate portion 121' of the preceding second link plate 120', and the fourth bending of the front side plate portion 121 of the second link plate 120 is performed. The state restricting surface 126d is in surface contact with the third curved state regulating surface 126c' of the front side plate portion 121' of the preceding second link plate 120', and the sixth curved state regulating surface 126f of the rear side plate portion 122 of the second link plate 120. The fifth curved state regulating surface 126e' of the rear side plate portion 122' of the preceding second link plate 120' is in surface contact. Thereby, the bending state of the cable-type protection guiding device 100 can be restricted.

Further, in the present embodiment, the curved outer peripheral side connecting arm 130 is detachably attached to the first link plate 110 and the second link plate 120 through the hook portions 131 and 131 of the attachment structure A and the hinge shafts 117 and 127 described above. As shown in FIG. 5 and FIG. 6, the curved outer peripheral side surface 132 of the curved outer peripheral side connecting arm 130 is disposed on the curved outer periphery of the rear side plate portion 112 (122) of the first link plate 110 (second link plate 120). 112c (122c) is closer to the inner peripheral side of the cable bend. Thereby, a gap S1 is generated between the curved outer peripheral side connecting arm 130 that moves when at least a part of the cable-type protection and guiding device 100 is changed from the curved state to the straight state, and the supporting surface 151 of the support 150 is bent, and the outer peripheral side connecting arm 130 is bent. It does not come into contact with the support surface 151. Further, when at least a part of the cable-type protection and guiding device 100 is changed from the curved state to the straight state, the curved outer peripheral side connecting arm 130 does not collide with the support surface 151 of the support 150.

Further, the hinge shafts 117 and 127 which are the link side hinge portions of the first and second link plates 110 and 120 have a link side peripheral surface 127a which surrounds the rotation axis extending in the longitudinal direction of the cable in the circumferential direction. Here, since the pair of first and second link plates 110 and 120 are bilaterally symmetrical, the second link plate 120 side will be described, and the description of the first link plate 110 side will be omitted.

Further, the arm side hinge portion that is the outer peripheral side connecting arm 130 is bent, that is, the hook portion 131, 131 has an arm-side circumferential surface that faces the rotation axis in the circumferential direction and that faces the link side peripheral surface 127a in the radial direction centering on the rotation axis in the range of the rotation of the bending outer circumferential side connecting arm 130. 131a. Further, the hinge structure constituted by the hinge shafts 117, 127 and the hook portions 131, 131 has an external force that prevents the hooks 131, 131 from coming off the hinge shafts 117, 127 by the external force acting on the curved outer peripheral side connecting arm 130 by the cable C. The falling prevention portion A11 of the arm falling phenomenon.

The detachment prevention portion A11 is a slat-side engagement member 127b that is a slat-side detachment prevention engagement portion that is provided on the link-side peripheral surface 127a, and an arm-side engagement member 127b that is provided on the arm-side circumferential surface 131a. The arm-side engaging element 131b is a claw-shaped arm-side engaging element 131b of the engaging portion, and when the curved outer peripheral side connecting arm 130 is in a connected state in which the pair of first and second link plates 110 and 120 are connected. Engaged with the link side engaging member 127b, thereby preventing the arm from falling off. Thereby, it is possible to surely prevent the curved outer peripheral side connecting arm 130 from easily coming off when the linear state and the curved state are switched.

Further, the curved outer peripheral side connecting arms 130 are respectively disposed at a central position between the adjacent connecting portions 113, 113 in the cable length direction, and the curved inner peripheral side surface 133 of the curved outer peripheral side connecting arm 130 is in a straight state. Located on the same face. As a result, when the bending state is obtained, the curved inner circumferential side surface 133 of each curved outer peripheral side connecting arm 130 faces the bending center and the cable C accommodated in the chain frame is uniformly placed on the curved outer peripheral side. The curved inner peripheral side surface 133 of the arm 130 is attached (refer to FIG. 10(A)).

Similarly, the curved inner peripheral side connecting arms 140 are respectively disposed at the center positions between the adjacent connecting portions 113 and 113 in the longitudinal direction of the cable, and the curved outer peripheral side faces 142 of the curved inner peripheral side connecting arms 140 are respectively in a straight state. Located on the same face. As a result, as will be described later, when the bending state is obtained, no height difference is generated between the adjacent curved inner circumferential side connecting arms 140 and 140, and the storage is performed. The cable C in the chain frame is uniformly placed on the curved outer peripheral side surface 142 of the curved inner peripheral side connecting arm 140 (see FIG. 10(A)).

As shown in Fig. 7, the second link plate 120 (the first link plate) is arranged in the cable length direction with the cable moving end E1 side as the front side and the cable fixing end E2 side as the rear side; The outer peripheral end surface 122a is bent rearward of the rear side plate portion 122 of the plate 120, and is disposed in an arc shape at the position of the cable bending outer periphery corresponding to the position of the connecting portion 123" of the subsequent second link plate 120", and is a second The arc center O1 of the outer peripheral end surface 122a of the rear side of the link plate 120 is set to be closer to the front side in the cable length direction than the center M1 of the connecting portion 123" of the second chain plate 120". As a result, the connecting portion 123" of the second chain plate 120" that follows is bent from the state where it has not been bent, and the approximate center of the connecting portion 123" of the second link plate 120" which follows is the center of rotation, a second When the rear curved outer peripheral end surface 122a of the rear side plate portion 122 of the link plate 120 moves, a gap S2 is formed between the rear curved outer peripheral end surface 122a of the rear side plate portion 122 of the second link plate 120 and the support surface 151 of the support 150. 8 and Figure 9).

Further, the front curved end outer peripheral end surface 122b of the rear side plate portion 122 of the second link plate 120 is disposed in an arc shape in a curved outer periphery corresponding to the position of the connection portion 123 of the second link plate 120, and The arc center O2 of the front curved outer peripheral end surface 122b of the second link plate 120 is provided closer to the rear side in the cable length direction than the cable length direction center M2 of the connection portion 123 of the second link plate 120. Thereby, when the bending state is obtained, the outer peripheral end surface 122a of the rear side plate portion 122 of the second link plate 120 and the front outer peripheral end surface 122b' of the rear side plate portion 122' of the preceding second link plate 120' are bent. View the state difference without height difference from the side.

Further, the radius of curvature of the rear curved outer peripheral end surface 122a and the radius of curvature of the front curved outer peripheral end surface 122b are from the support surface 151 of the support 150 to the support surface The length of the connecting portion 123 of the second link plate 120 that is in contact with 151. Thereby, when the connecting portion 123" is bent from the unflexed state and the center of the connecting portion 123" is the center of rotation, and the rear curved outer peripheral end surface 122a is moved, between the rear curved outer peripheral end surface 122a and the supporting surface 151 of the support 150 The gap S2 (see FIGS. 8 and 9) is more reliably generated, and the edge of the curved outer peripheral side formed by the rear curved outer peripheral end surface 122a and the front curved outer peripheral end surface 122b' in the straight state and the curved state becomes smooth.

Next, the change from the straight state to the maximum bending state will be described with reference to FIGS. 7 to 9. As shown in FIG. 7, when the cable-type protection and guiding device 100 is in a straight state, the curved outer peripheral edge 122c of the rear side plate portion 122 of the second link plate 120 is in surface contact with the support surface 151 of the support 150, respectively. At this time, the arc-shaped rear curved outer peripheral end surface 122a of the rear side plate portion 122 of the second link plate 120 is in contact with the support surface 151 of the support body 150 only in the portion on the front side in the cable length direction of the rear curved outer peripheral end surface 122a.

Further, the curved outer peripheral side surface 132 of the curved outer peripheral side connecting arm 130 is disposed closer to the inner peripheral side of the cable bending than the curved outer peripheral edge 112c (122c) of the rear side plate portion 112 (122). Thereby, in the straight state, a gap S1 is generated between the curved outer peripheral side connecting arm 130 and the supporting surface 151 of the support 150, and the curved outer peripheral side connecting arm 130 is not in contact with the supporting surface 151.

As shown in Fig. 8, the cable moving end E1 (refer to Fig. 1) is moved from the state shown in Fig. 7, thereby gradually becoming a curved state from the front side in the cable length direction. Specifically, the connection portion 123" of the subsequent second link plate 120" connected to the second link plate 120 is bent, whereby the first linear state holding surface 125a of the rear side plate portion 122 of the second link plate 120 is formed. The second straight state holding surface 125b" of the rear side plate portion 122" of the second chain plate 120" that follows is separated, and the following The first bending state regulating surface 126a" of the front side plate portion 121" of the second link plate 120" further approaches the second bending state regulating surface (126b) of the front side plate portion (121) of the subsequent second link plate (120). .

Here, as described above, the arc center O1 of the arc-shaped rear curved outer peripheral end surface 122a is provided closer to the cable at the cable length direction center M1 of the connecting portion 123" of the second chain plate 120". When the second link plate 120 is slightly bent, the arc center O1 of the arc-shaped rear curved outer peripheral end surface 122a moves toward the upper side of the curved side (i.e., the side away from the support body 150). A gap S2 is formed between the rear curved outer peripheral end surface 122a of the second link plate 120 and the support surface 151 of the support 150.

Further, the curved outer peripheral side surface 132 of the curved outer peripheral side connecting arm 130 is disposed closer to the inner peripheral side of the cable bending than the curved outer peripheral edge 112c (122c) of the rear side plate portion 112 (122). Thereby, when changing from the straight state to the curved state, a gap S1 is generated between the curved outer peripheral side connecting arm 130 and the support surface 151 of the support 150, and the curved outer peripheral side connecting arm 130 does not slide with respect to the supporting surface 151.

As shown in Fig. 9, the cable moving end E1 is further moved from the state shown in Fig. 8, whereby the front side of the cable length direction further becomes a curved state. Specifically, the connecting portion 123" of the subsequent second link plate 120" connected to the second link plate 120 is further bent, whereby the first straight state holding surface of the rear side plate portion 122 of the second link plate 120 is maintained. The 125a is further separated from the second linear state holding surface 125b" of the rear side plate portion 122" of the subsequent second link plate 120", and the first curved state of the front side plate portion 121" of the subsequent second link plate 120" The regulating surface 126a" is further in contact with the second bending state regulating surface (126b) of the front side plate portion (121) of the second chain plate (120) which follows.

At this time, the second link plate 120 further becomes a curved state and an arc-shaped rear portion. The arc center O1 of the curved outer peripheral end surface 122a is further moved to the upper side of the curved inner peripheral side (the side away from the support body 150), and the outer peripheral end surface 122a and the support surface 151 of the support body 150 are bent behind the second link plate 120. The gap S2 generated between them becomes large. That is, the rear curved outer peripheral end surface 122a of the rear side plate portion 122 does not slide with respect to the support surface 151 of the support body 150. Further, the curved outer peripheral side connecting arm 130 does not slide relative to the support surface 151.

Further, as described above, the curved outer peripheral side connecting arms 130 are respectively disposed at the center positions between the connecting portions 113 (123) and 113 (123) adjacent to each other in the cable length direction, and the bending of the curved outer peripheral side connecting arms 130 is performed. The inner peripheral side surface 133 is located on the same surface in a straight line state (see FIG. 5). As a result, as shown in FIG. 10(A), when the curved inner peripheral side surface 133 of each curved outer peripheral side connecting arm 130 faces the bending center, the cable C accommodated in the chain frame is uniformly placed. The curved inner peripheral side surface 133 of the connecting arm 130 is bent on the outer peripheral side.

In other words, in the conventional technique shown in FIG. 10(B), since the curved outer peripheral side connecting arms 520 are respectively disposed at positions deviated from the center between the adjacent connecting portions 513 and 513 in the longitudinal direction of the cable, In the curved state, the curved inner circumferential side surface 522 of the adjacent curved outer circumferential side connecting arm 520 faces the direction deviated from the bending center, and the cable C housed in the chain casing is placed on the curved inner circumference of the curved outer circumferential side connecting arm 520. The end of the side 522. On the other hand, in the present embodiment, since the cable type C is uniformly placed on the curved inner peripheral side surface 133 of the curved outer peripheral side connecting arm 130, it is possible to prevent partial wear and the like and improve the cable pairing as compared with the prior art. The protection of line C.

Similarly, as described above, the curved inner peripheral side connecting arms 140 are respectively disposed at the center positions between the connecting portions 113 (123) and 113 (123) adjacent to each other in the cable length direction, and the inner peripheral side connecting arms 140 are bent. The curved outer peripheral side 142 is located on the same face in a straight state. As a result, when it is in a curved state, as shown in FIG. 10(A), no height difference is generated between the adjacent curved inner peripheral side connecting arms 140 and 140, and the cable C accommodated in the chain frame is uniformly It is placed on the curved outer peripheral side surface 142 of the curved inner peripheral side connecting arm 140.

In other words, as shown in FIG. 10(B), since the curved inner peripheral side connecting arms 530 are respectively disposed at positions deviated from the center between the adjacent connecting portions 513 and 513 in the longitudinal direction of the cable, When it is in a curved state, a height difference is generated between the adjacent curved inner peripheral side connecting arms 530 and 530, and the cable C accommodated in the chain casing is placed on the curved outer peripheral side surface 531 of the curved inner peripheral side connecting arm 530. The end. On the other hand, in the present embodiment, since the cable C is uniformly placed on the curved outer circumferential side surface 142 of the curved inner circumferential side connecting arm 140, it is possible to prevent partial wear and the like as compared with the prior art, and to improve the pair. The protection of cable class C.

Further, when returning from the curved state shown in FIG. 9 to the straight state shown in FIG. 7, the connecting portion 123" of the second chain plate 120" that follows is restored from the curved state and the second chain plate 120 is followed. The substantially central portion of the connecting portion 123" is the center of rotation, and the rear side plate portion 122 of the second link plate 120 is in contact with the support surface 151 of the support body 150, and the rear side plate portion 122 of the second link plate 120 is rearward. A gap S2 is generated between the curved outer peripheral end surface 122a and the support surface 151 of the support 150. That is, when returning from the curved state to the straight state, the rear curved outer peripheral end surface 122a of the rear side plate portion 122 does not slide the support surface 151 of the support 150. Further, the curved outer peripheral side connecting arm 130 does not slide the supporting surface 151.

Further, when the cable moving end E1 side has a guiding member (not shown) for guiding the straight state, when the cable moving end E1 side changes from the straight state to the curved state, the guiding member and the second link 120 are rearward. A gap S2 is generated between the front curved outer peripheral end surface 122b of the side plate portion 122. That is, the outer peripheral end surface 122a and the branch are bent and bent rearward of the rear side plate portion 122. The relationship of the support surface 151 of the holder 150 has the same effect. Further, a gap S1 is generated between the curved outer peripheral side connecting arm 130 and the guiding member. That is, the same effect as the relationship between the curved outer peripheral side connecting arm 130 and the supporting surface 151 of the support 150 can be obtained.

In the cable-type protection and guiding device 100 of the first embodiment, the first link plates 110 (second link plates) of the pair of first and second link plates 110 and 120 are connected to each other at the cable length. The first link plate 110' (second link plate 120') that is oriented first is connected to form a front side plate portion 111 (121) on the inner circumferential side of the cable bending, and a first first link plate 110" (second link plate) 120") a rear side plate portion 112 (122) that is connected to form a curved outer peripheral side of the cable, and a connecting portion 113 (123) that is freely bendable between the front side plate portion 111 (121) and the rear side plate portion 112 (122) is configured as The curved outer peripheral side connecting arm 130 is detachably attached to the first and second link plates 110 and 120, and the curved outer peripheral side surface 132 of the curved outer peripheral side connecting arm 130 is disposed to be bent at the rear side plate portion 112 (122). The outer peripheral edge 112c (122c) is closer to the inner peripheral side of the cable bending, whereby the noise caused by the curved outer peripheral side connecting arm 130 when the curved state is changed to the straight state can be prevented, and the curved outer peripheral side connecting arm 130 can be prevented from being worn. Prevents the generation of abrasion powder of the curved outer peripheral side connecting arm 130, further alleviates the impact load and alleviates the resonance phenomenon or transmits to Cable protection and guide device 100 and the impact force can be prevented the curved outer circumferential side connecting arm 130 off.

Further, the curved outer peripheral side connecting arms 130 are respectively disposed at a central position between the connecting portions 113 (123) and 113 (123) adjacent to each other in the cable length direction, and the curved inner peripheral side surface 133 of the curved outer peripheral side connecting arm 130 is bent. When they are in the straight state, they are located on the same surface, thereby preventing partial wear and the like, and improving the protection against the cable C.

Similarly, the curved inner peripheral side connecting arms 140 are respectively disposed at the center positions between the connecting portions 113 (123) and 113 (123) adjacent to each other in the longitudinal direction of the cable, and the curved inner peripheral side is connected The curved outer peripheral side surface 142 of the arm 140 is located on the same surface in a straight state, whereby the partial wear and the like can be prevented, and the protection against the cable C can be improved.

Further, the second link plate 120 (the first link plate) is arranged in the cable longitudinal direction with the cable moving end E1 side as the front side and the cable fixing end E2 side as the rear side; a second link plate 120 ( The outer peripheral end surface 122a is bent rearward of the rear side plate portion 122 of the first link plate, and is disposed in an arc shape corresponding to the position of the connection portion 123 of the second chain plate 120" (first link plate) that follows. The outer circumference of the cable is bent, and the arc center O1 of the outer peripheral end surface 122a of the rear side of the second link plate 120 (the first link plate) is provided on the second chain plate 120" (the first link plate) that follows. The cable length direction center M1 of the connecting portion 123 is closer to the front side in the cable length direction, whereby the rear curved outer peripheral end surface 122a of the rear side plate portion 122 can be prevented from sliding against the support surface 151 of the support body 150 to prevent generation of friction powder, and can be prevented. The rear side of the rear side plate portion 122 bends noise caused by the sliding of the outer peripheral end surface 122a and the support surface 151 of the support 150.

Further, the hinge shafts 117 and 127 which are the link side hinge portions of the first and second link plates 110 and 120 have a link side peripheral surface 127a which surrounds the rotation axis extending in the longitudinal direction of the cable in the circumferential direction, and; The arm-side hinge portions, that is, the hook portions 131 and 131 of the curved outer peripheral side connecting arm 130, have a swirling axis in the circumferential direction, and are in the range of the rotation of the connecting arm 130 on the curved outer peripheral side, centering on the rotation axis. The arm-side peripheral surface 131a whose radial direction faces the link-side peripheral surface 127a, and the hinge structure which consists of the hinge shafts 117 and 127 and the hook parts 131 and 131 have the prevention of the action of the cable type C on the curved outer peripheral side connection arm 130. The external force causes the fall prevention portion A11 of the arm-off phenomenon in which the hook portions 131 and 131 are separated from the hinge shafts 117 and 127, and the fall prevention portion A11 is provided as a link plate side fall prevention engagement portion provided on the link side peripheral surface 127a. The link side engagement element 127b and the arm side engagement element 131b provided as the arm side fall prevention engagement portion provided on the arm side peripheral surface 131a, and When the curved outer peripheral side connecting arm 130 is in a connected state in which the pair of first and second link plates 110 and 120 are connected, the arm side engaging element 131b is engaged with the link side engaging element 127b to prevent the arm from being engaged. The detachment phenomenon can surely prevent the curved outer peripheral side connecting arm 130 from being easily detached when the linear state and the curved state are switched, and the effect is remarkable.

100‧‧‧Cable protection guide

110‧‧‧1st link plate

111‧‧‧ front side panel

112‧‧‧ rear side panel

113‧‧‧Connecting Department

122c‧‧‧Bending outer circumference

130‧‧‧Bending the outer peripheral side connecting arm

132‧‧‧ (bending the outer peripheral side of the connecting arm) curved outer peripheral side

133‧‧‧ (bending the outer peripheral side of the connecting arm) curved inner peripheral side

140‧‧‧Bending inner peripheral side connecting arm

142‧‧‧ (curved outer peripheral side of the connecting arm on the inner circumference side)

150‧‧‧Support

151‧‧‧Support surface

S1‧‧‧ gap

Claims (9)

A cable-type protection and guiding device is connected to a plurality of chain frames one by one in the longitudinal direction of the cable, and the chain frame system is provided by a pair of chain plates separated from each other on the left and right sides, and is stretched on the outer peripheral side of the cable bending of the pair of chain plates The curved outer peripheral side connecting arm and the curved inner peripheral side connecting arm that is stretched on the inner peripheral side of the pair of link plates are bent; and the cable fixing end and the cable moving end are inside the chain frame Storing and guiding the cable to the other side, and presenting a straight state in contact with the support surface of the support and a curved state away from the support surface; wherein each of the pair of link plates is in the The cable length direction is connected to the preceding link plate and forms a front side plate portion on the inner circumferential side of the cable bending, a rear side plate portion connected to the subsequent chain plate and forming the outer peripheral side of the cable bending, and the front side plate portion and the front side plate portion are The curved connecting portion between the rear side plate portions is integrally formed; the curved outer peripheral side connecting arm is detachably attached to the link plate, and the curved outer peripheral side of the curved outer peripheral side connecting arm is closer to the rear side plate Bending Closer to the periphery of the inner cable is bent circumferential side. The cable-type protection guiding device according to the first aspect of the invention, wherein the curved outer peripheral side connecting arms are respectively disposed at a central position between the connecting portions adjacent to each other in the longitudinal direction of the cable, and the bending The curved inner peripheral side faces of the outer peripheral side connecting arms are respectively located on the same face in the straight line state. The cable-type protection guiding device according to claim 1 or 2, wherein the curved inner peripheral side connecting arms are respectively disposed at a central position between the connecting portions adjacent to each other in the longitudinal direction of the cable, and The curved outer circumferential side surfaces of the curved inner circumferential side connecting arms are respectively located on the same surface in the straight state. The cable-type protection guiding device of claim 1 or 2, wherein: the chain plate is arranged in front of the cable moving end side in the cable length direction and the cable fixing end side as a rear side; a rear curved outer peripheral end surface of the rear side plate portion of the one chain plate is disposed in an arc shape at a cable bending outer periphery corresponding to a position of the connecting portion of the following chain plate, and the rear of the one chain plate The center of the arc of the curved outer peripheral end surface is provided closer to the front side of the cable length direction than the center of the cable length direction of the connecting portion of the subsequent chain plate. The cable-type protection guiding device of claim 3, wherein: the chain plate is arranged in front of the cable moving end side in the cable length direction, and the cable fixing end side is respectively rearward; The outer peripheral end surface of the rear side plate portion of the one-piece plate is bent in an arc shape, and is disposed at an outer circumference of the cable corresponding to the position of the connecting portion of the subsequent link plate, and the rear side of the one of the link plates is bent The center of the arc of the end surface is provided closer to the front side in the longitudinal direction of the cable than the center of the cable in the connection portion of the subsequent link. A cable-type protection guiding device according to claim 1 or 2, wherein: the link side hinge portion of the link plate has a chain that surrounds a rotation axis extending in the longitudinal direction of the cable in a circumferential direction. a side surface of the plate side; an arm side hinge portion of the curved outer peripheral side connecting arm having a rotation axis in a circumferential direction and a rotation axis in a connecting arm of the curved outer circumferential side An arm-side peripheral surface that faces the circumferential side surface of the link plate in the radial direction; a hinge structure composed of the link side hinge portion and the arm-side hinge portion prevents the cable from acting on the curved outer peripheral side The external force of the connecting arm causes the arm side hinge to be detached from the hinge side of the link side The detachment prevention portion for the detachment of the detachment of the arm; the detachment prevention portion is provided by the link side detachment preventing engagement portion provided on the circumferential side of the link plate side, and the arm side detachment prevention provided on the arm side peripheral surface When the bending outer peripheral side connecting arm is connected to the pair of link plates, the arm side fall prevention engagement portion and the link side fall prevention engagement portion card are formed. In combination, thereby preventing the arm from falling off. A cable-type protection guiding device according to claim 3, wherein: the link side hinge portion of the link plate has a chain plate side surrounding a rotation axis extending in a longitudinal direction of the cable in a circumferential direction a circumferential side; the arm-side hinge portion of the curved outer peripheral side connecting arm has a rotation axis in a circumferential direction, and is within a range of rotation of the connecting arm of the curved outer peripheral side, centering on a rotation axis An arm-side peripheral surface whose radial direction faces the side surface of the link plate side; and a hinge structure formed by the link side hinge portion and the arm side hinge portion, which prevents the cable from acting on the curved outer peripheral side connecting arm The external force causes the arm-side hinge portion to be detached from the link-side hinge portion, and the fall-off prevention portion is a link-side side prevention preventing engagement portion provided on the peripheral side of the link plate side And an arm side fall prevention engagement portion provided on the arm side peripheral surface; and the arm side fall prevention engagement is performed when the bending outer peripheral side connecting arm is connected to the pair of link plates The part is engaged with the engagement portion for preventing the detachment of the link plate side, whereby Prevent the arm from falling off. The cable-type protection guiding device of claim 4, wherein: the chain side hinge portion of the chain plate has a circumferential direction extending along a length of the cable a chain side peripheral surface of the swiveling axis of the extension; an arm side hinge portion of the curved outer peripheral side connecting arm, having a rotation range surrounding the rotation axis in the circumferential direction and connecting the arm on the curved outer circumferential side An arm-side peripheral surface facing the circumferential side of the link plate side in the radial direction centering on the rotation axis; and a hinge structure formed by the link side hinge portion and the arm side hinge portion, having the cable prevented from being The wire acts on the outer side of the curved outer peripheral side connecting arm to cause the arm side hinge portion to be detached from the link side hinge portion, and the fall prevention portion is provided on the circumferential side of the link plate side. The link side detachment prevention engagement portion and the arm side detachment prevention engagement portion provided on the arm side circumferential surface are configured to be in a connected state in which the bending outer circumferential side connecting arm is connected to the pair of link plates, The arm side fall prevention engagement portion is engaged with the link plate side fall prevention engagement portion, thereby preventing the arm falling off phenomenon. The cable-type protection guiding device of claim 5, wherein: the link side hinge portion of the link plate has a chain plate side surrounding a rotation axis extending in a longitudinal direction of the cable in a circumferential direction a circumferential side; the arm-side hinge portion of the curved outer peripheral side connecting arm has a rotation axis in a circumferential direction, and is within a range of rotation of the connecting arm of the curved outer peripheral side, centering on a rotation axis An arm-side peripheral surface whose radial direction faces the side surface of the link plate side; and a hinge structure formed by the link side hinge portion and the arm side hinge portion, which prevents the cable from acting on the curved outer peripheral side connecting arm The external force causes the arm-side hinge portion to be detached from the link-side hinge portion, and the detachment prevention portion is detached from the link side of the link plate side. And an arm side fall prevention engagement portion provided on the arm side circumferential surface; and the arm side fall prevention card when the bending outer circumferential side connecting arm is connected to the pair of link plates The joint portion is engaged with the engagement portion for preventing the chain plate side fall-off, thereby preventing the arm from falling off.